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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I’m seeing this on two different machines, with completely different hardware. The git checkout is clean.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I’ve tried again, with the exact cmake cmd-line used on the MSVC bot, it fails on the same tests.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">The only difference I see is that the bot uses MSVC 16.3.7, whereas I use the latest 16.4.3. The first 16.4 was released at the beginning of December, and it’s about the time where I started seeing
the issues. The tests might fail because of the new MSVC optimizer, this doesn’t happen on Debug builds.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CA" style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">I’m also occasionally seeing crashes in opt, in LLVM :: Transforms/InstCombine/strcpy-2.ll, but this is not 100% repro (using the exact cmd-line as on the bot):<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">FAIL: LLVM :: Transforms/InstCombine/strcpy-2.ll (35388 of 35388)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">******************** TEST 'LLVM :: Transforms/InstCombine/strcpy-2.ll' FAILED ********************<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">Script:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">--<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">: 'RUN: at line 2'; d:\llvm-project\buildninjarelmsvc\bin\opt.exe < D:\llvm-project\llvm\test\Transforms\InstCombine\strcpy-2.ll
-instcombine -S | d:\llvm-project\buildninjarelmsvc\bin\filecheck.exe D:\llvm-project\llvm\test\Transforms\InstCombine\strcpy-2.ll<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">--<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">Exit Code: 2<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">Command Output (stdout):<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">--<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">$ ":" "RUN: at line 2"<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">$ "d:\llvm-project\buildninjarelmsvc\bin\opt.exe" "-instcombine" "-S"<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">note: command had no output on stdout or stderr<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">error: command failed with exit status: 3221225477<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">$ "d:\llvm-project\buildninjarelmsvc\bin\filecheck.exe" "D:\llvm-project\llvm\test\Transforms\InstCombine\strcpy-2.ll"<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US"># command stderr:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">FileCheck error: '-' is empty.<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">FileCheck command line: d:\llvm-project\buildninjarelmsvc\bin\filecheck.exe D:\llvm-project\llvm\test\Transforms\InstCombine\strcpy-2.ll<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:8.0pt;font-family:"Courier New";mso-fareast-language:EN-US">error: command failed with exit status: 2<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="mso-fareast-language:EN-US">Reid</span></b><span style="mso-fareast-language:EN-US">, do you think it would be possible to upgrade
</span><b><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:#333333;background:#F6F6F6"><a href="http://lab.llvm.org:8011/buildslaves/windows-gcebot2"><span style="color:#444444">windows-gcebot2</span></a></span></b><span style="mso-fareast-language:EN-US">
to latest MSVC 16.4?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="FR">De :</span></b><span lang="FR"> Eli Friedman <efriedma@quicinc.com>
<br>
<b>Envoyé :</b> January 21, 2020 8:46 PM<br>
<b>À :</b> Alexandre Ganea <alexandre.ganea@ubisoft.com>; llvm-dev <llvm-dev@lists.llvm.org><br>
<b>Objet :</b> RE: [llvm-dev] Longstanding failing tests - clang-tidy, MachO, Polly<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I just XFAIL’ed the polly test; it was also failing on the polly bots.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The other tests you mentioned are not failing on any of the bots on lab.llvm.org, as far as I can tell, including
<a href="http://lab.llvm.org:8011/builders/clang-x64-windows-msvc">http://lab.llvm.org:8011/builders/clang-x64-windows-msvc</a> , which runs a similar configuration to yours. So it’s going to be hard for anyone without your exact environment to reproduce the
issues.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">-Eli<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> llvm-dev <<a href="mailto:llvm-dev-bounces@lists.llvm.org">llvm-dev-bounces@lists.llvm.org</a>>
<b>On Behalf Of </b>Alexandre Ganea via llvm-dev<br>
<b>Sent:</b> Tuesday, January 21, 2020 4:39 PM<br>
<b>To:</b> llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>><br>
<b>Subject:</b> [EXT] [llvm-dev] Longstanding failing tests - clang-tidy, MachO, Polly<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">A few tests seem broken for a long time, some for more than a month. Would it possible for respective owners to take a look please?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m at checkout 133a7e631cee97965e310f0d110739217427fd3d, compiling on Windows 10.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">These tests fail with Visual Studio 2019:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Failing Tests (7):<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Clang Tools :: clang-tidy/checkers/cert-mem57-cpp-cpp17.cpp<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Clang Tools :: clang-tidy/checkers/performance-noexcept-move-constructor-fix.cpp<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> LLVM :: MC/MachO/gen-dwarf-cpp.s<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> LLVM :: MC/MachO/gen-dwarf-macro-cpp.s<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> LLVM :: MC/MachO/gen-dwarf-producer.s<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> LLVM :: MC/MachO/gen-dwarf.s<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Polly :: ScopInfo/memset_null.ll<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Expected Passes : 57692<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Expected Failures : 283<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Unsupported Tests : 1941<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Unexpected Failures: 7<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The clang-tidy tests fail since end of November-December.<o:p></o:p></p>
<p class="MsoNormal">The MachO tests fail since about the beginning of December.<o:p></o:p></p>
<p class="MsoNormal">The Polly test fails since a few days ago.<o:p></o:p></p>
<p class="MsoNormal">(see below for more info)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m using the following cmake cmd-line:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">cmake -GNinja %ROOT%/llvm -DCMAKE_BUILD_TYPE=Release -DLLVM_OPTIMIZED_TABLEGEN=ON -DLLVM_ENABLE_ASSERTIONS=ON -DLLVM_ENABLE_LIBXML2=OFF -DCMAKE_C_COMPILER="%VS2019%/bin/HostX64/x64/cl.EXE" -DCMAKE_CXX_COMPILER="%VS2019%/bin/HostX64/x64/cl.EXE"
-DCMAKE_LINKER="%VS2019%/bin/HostX64/x64/link.EXE" -DLLVM_ENABLE_PROJECTS="llvm;clang;lld;clang-tools-extra;compiler-rt;mlir;polly" -DLLVM_ENABLE_PDB=ON -DLLVM_POLLY_LINK_INTO_TOOLS=ON<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">These tests fail with Clang 9.0.1:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Failing Tests (3):<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Clang Tools :: clang-tidy/checkers/cert-mem57-cpp-cpp17.cpp<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Clang Tools :: clang-tidy/checkers/performance-noexcept-move-constructor-fix.cpp<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Polly :: ScopInfo/memset_null.ll<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Expected Passes : 57727<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Expected Failures : 283<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Unsupported Tests : 1911<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"> Unexpected Failures: 3<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">1 warning(s) in tests<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m using the following cmake cmd-line:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">cmake -GNinja %ROOT%/llvm -DCMAKE_BUILD_TYPE=Release -DLLVM_OPTIMIZED_TABLEGEN=ON -DLLVM_ENABLE_ASSERTIONS=ON -DLLVM_ENABLE_LIBXML2=OFF -DCMAKE_C_COMPILER="%LLVM%/bin/clang-cl.EXE" -DCMAKE_CXX_COMPILER="%LLVM%/bin/clang-cl.EXE"
-DCMAKE_LINKER="%LLVM%/bin/lld-link.EXE" -DLLVM_ENABLE_PROJECTS="llvm;clang;lld;clang-tools-extra;compiler-rt;mlir;polly" -DLLVM_ENABLE_PDB=ON -DLLVM_POLLY_LINK_INTO_TOOLS=ON -DLLVM_ENABLE_LLD=ON<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks in advance!<o:p></o:p></p>
<p class="MsoNormal">Alex.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<div class="MsoNormal" align="center" style="text-align:center">
<hr size="2" width="100%" align="center">
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The clang-tidy cert-mem57 tests seem to be related to varying messages (warning|error) being emitted.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">All three MachO/gen-dwarf test are crashing at about the same place:<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Stack dump:<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">0. Program arguments: d:\llvm-project\buildninjarelmsvc\bin\llvm-dwarfdump.exe -all D:\llvm-project\buildninjaRelMSVC\test\MC\MachO\Output\gen-dwarf.s.tmp<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#0 0x00007ff6c125dfb8 llvm::DWARFCompileUnit::dump(class llvm::raw_ostream &, struct llvm::DIDumpOptions) D:\llvm-project\llvm\lib\DebugInfo\DWARF\DWARFCompileUnit.cpp:23:0<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#1 0x00007ff6c1236e18 <lambda_25ce692e137c1a998cd3557ebf29fa33>::operator() D:\llvm-project\llvm\lib\DebugInfo\DWARF\DWARFContext.cpp:367:0<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#2 0x00007ff6c123968b llvm::DWARFContext::dump(class llvm::raw_ostream &, struct llvm::DIDumpOptions, class std::array<class llvm::Optional<unsigned __int64>, 28>) D:\llvm-project\llvm\lib\DebugInfo\DWARF\DWARFContext.cpp:372:0<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#3 0x00007ff6c12197f8 dumpObjectFile D:\llvm-project\llvm\tools\llvm-dwarfdump\llvm-dwarfdump.cpp:448:0<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#4 0x00007ff6c1218486 std::_Func_impl_no_alloc<bool (__cdecl *)(class llvm::object::ObjectFile &, class llvm::DWARFContext &, class llvm::Twine, class llvm::raw_ostream &), bool, class llvm::object::ObjectFile
&, class llvm::DWARFContext &, class llvm::Twine, class llvm::raw_ostream &>::_Do_call(class llvm::object::ObjectFile &, class llvm::DWARFContext &, class llvm::Twine &&, class llvm::raw_ostream &) C:\Program Files (x86)\Microsoft Visual Studio\2019\Professional\VC\Tools\MSVC\14.24.28314\include\functional:927:0<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#5 0x00007ff6c121c519 handleBuffer D:\llvm-project\llvm\tools\llvm-dwarfdump\llvm-dwarfdump.cpp:495:0<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#6 0x00007ff6c121d16a handleFile D:\llvm-project\llvm\tools\llvm-dwarfdump\llvm-dwarfdump.cpp:528:0<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#7 0x00007ff6c121eb87 main D:\llvm-project\llvm\tools\llvm-dwarfdump\llvm-dwarfdump.cpp:643:0<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#8 0x00007ff6c16b6420 __scrt_common_main_seh d:\agent\_work\5\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288:0<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#9 0x00007ffb52557bd4 (C:\WINDOWS\System32\KERNEL32.DLL+0x17bd4)<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">#10 0x00007ffb5278ced1 (C:\WINDOWS\SYSTEM32\ntdll.dll+0x6ced1)<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">error: command failed with exit status: 3221225477<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt">Polly :: ScopInfo/memset_null.ll fails because the second opt fails:<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">D:\llvm-project>buildninjarelmsvc\bin\opt -polly-process-unprofitable -polly-remarks-minimal -polly-use-llvm-names -polly-import-jscop-dir=D:\llvm-project\polly\test\ScopInfo -polly-codegen-verify -polly-allow-modref-calls
-polly-scops -analyze < D:\llvm-project\polly\test\ScopInfo\memset_null.ll<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Printing analysis 'Polly - Create polyhedral description of Scops' for region: 'for.cond5.preheader.us221 => for.end68' in function 'test':<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Invalid Scop!<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Printing analysis 'Polly - Create polyhedral description of Scops' for region: 'entry => for.end68' in function 'test':<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Invalid Scop!<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Printing analysis 'Polly - Create polyhedral description of Scops' for region: 'entry => <Function Return>' in function 'test':<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Invalid Scop!<o:p></o:p></p>
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